/* ============================================
   墩墩联盟内嵌 - 统一样式 v1.0
   视觉规范：沿用 dun-home-v332 体系
   命名空间：.dun-* + .union-*
   ============================================ */

.union-hero{
  min-height:60vh;display:flex;align-items:center;justify-content:center;
  padding:140px 0 80px;position:relative;text-align:center;
  background-image:
    radial-gradient(ellipse at 40% 0%, rgba(230,194,110,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 100%, rgba(59,130,246,0.06) 0%, transparent 50%);
}
.union-hero-content{position:relative;z-index:2;max-width:900px;margin:0 auto;padding:0 24px}
.union-hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 18px;border-radius:99px;
  background:rgba(230,194,110,0.15);border:1px solid rgba(230,194,110,0.2);
  font-size:13px;color:#E6C26E;font-weight:700;letter-spacing:2px;
  margin-bottom:24px;
}
.union-hero-h1{font-size:48px;font-weight:900;line-height:1.15;letter-spacing:-1px;margin-bottom:18px}
.union-hero-sub{font-size:18px;color:rgba(255,255,255,0.6);line-height:1.7;max-width:640px;margin:0 auto 32px}
.union-hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.union-hero-stats{display:flex;gap:40px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.union-stat-item{text-align:center}
.union-stat-num{font-size:40px;font-weight:900;color:#E6C26E;line-height:1.1}
.union-stat-label{font-size:13px;color:rgba(255,255,255,0.4);margin-top:6px;letter-spacing:1px}

/* ===== 五层资产阶梯 ===== */
.union-layer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:40px}
.union-layer-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;
  padding:32px 28px;transition:all 0.3s;position:relative;overflow:hidden;
}
.union-layer-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(135deg, #E6C26E 0%, #D4B870 100%);opacity:0;transition:opacity 0.3s;
}
.union-layer-card:hover{transform:translateY(-4px);border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-layer-card:hover::before{opacity:1}
.union-layer-num{
  font-size:58px;font-weight:900;line-height:1;
  background:linear-gradient(180deg,rgba(230,194,110,0.25) 0%,transparent 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:-8px;
}
.union-layer-title{font-size:20px;font-weight:700;margin-bottom:10px;color:#fff}
.union-layer-desc{font-size:14px;color:rgba(255,255,255,0.4);line-height:1.7}
.union-layer-list{list-style:none;margin-top:14px;padding:0}
.union-layer-list li{font-size:13px;color:rgba(255,255,255,0.6);padding:5px 0;padding-left:18px;position:relative}
.union-layer-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:#E6C26E;opacity:0.6}

/* ===== 权益卡片 ===== */
.union-benefit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:40px}
.union-benefit-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:14px;
  padding:28px 24px;text-align:center;transition:all 0.3s;
}
.union-benefit-card:hover{transform:translateY(-3px);border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-benefit-icon{font-size:40px;margin-bottom:14px;line-height:1}
.union-benefit-title{font-size:17px;font-weight:700;margin-bottom:8px}
.union-benefit-desc{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.6}

/* ===== 入驻流程 ===== */
.union-flow{display:flex;gap:0;justify-content:center;flex-wrap:wrap;margin-top:40px}
.union-flow-step{
  flex:1;min-width:180px;max-width:220px;text-align:center;position:relative;padding:20px 12px;
}
.union-flow-step:not(:last-child)::after{
  content:"→";position:absolute;right:-8px;top:50%;transform:translateY(-90%);
  font-size:24px;color:rgba(230,194,110,0.4);font-weight:bold;
}
.union-flow-num{
  display:inline-flex;width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg, #E6C26E 0%, #D4B870 100%);
  color:#000;font-size:20px;font-weight:900;
  align-items:center;justify-content:center;margin-bottom:12px;
}
.union-flow-title{font-size:16px;font-weight:700;margin-bottom:6px}
.union-flow-desc{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.5}

/* ===== 表单 ===== */
.union-form{max-width:640px;margin:0 auto}
.union-form-group{margin-bottom:18px}
.union-form-label{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,0.8);margin-bottom:8px}
.union-form-input{
  width:100%;padding:13px 16px;border-radius:10px;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  color:#fff;font-size:15px;font-family:inherit;
}
.union-form-input:focus{outline:none;border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-form-input::placeholder{color:rgba(255,255,255,0.4)}
.union-form-select{
  width:100%;padding:13px 16px;border-radius:10px;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  color:#fff;font-size:15px;font-family:inherit;
}
.union-form-select:focus{outline:none;border-color:rgba(230,194,110,0.4)}
.union-form-textarea{
  width:100%;padding:13px 16px;border-radius:10px;min-height:100px;resize:vertical;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);
  color:#fff;font-size:15px;font-family:inherit;
}
.union-form-textarea:focus{outline:none;border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,0.6);line-height:1.6}
.union-form-check input[type="checkbox"]{margin-top:3px;accent-color:#E6C26E}
.union-form-submit{width:100%;margin-top:8px}

/* ===== 商家名录 ===== */
.union-member-filter{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:32px}
.union-filter-chip{
  padding:8px 18px;border-radius:99px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);color:rgba(255,255,255,0.6);
}
.union-member-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.union-member-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:14px;
  padding:24px;transition:all 0.3s;
}
.union-member-card:hover{transform:translateY(-3px);border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-member-header{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.union-member-avatar{
  width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,rgba(230,194,110,0.2),rgba(59,130,246,0.15));
  display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;
}
.union-member-info{flex:1}
.union-member-name{font-size:16px;font-weight:700}
.union-member-cat{font-size:12px;color:#E6C26E;margin-top:2px}
.union-member-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.union-member-tag{
  padding:3px 10px;border-radius:99px;font-size:11px;font-weight:500;
  background:rgba(59,130,246,0.08);border:1px solid rgba(59,130,246,0.2);color:#60a5fa;
}

/* ===== 案例卡片 ===== */
.union-case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px;margin-top:40px}
.union-case-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:16px;
  overflow:hidden;transition:all 0.3s;
}
.union-case-card:hover{transform:translateY(-4px);border-color:rgba(230,194,110,0.4);box-shadow:0 8px 32px rgba(0,0,0,0.3)}
.union-case-img{
  width:100%;height:200px;background:linear-gradient(135deg,rgba(59,130,246,0.15),rgba(230,194,110,0.1));
  display:flex;align-items:center;justify-content:center;font-size:48px;
}
.union-case-body{padding:22px}
.union-case-tag{font-size:12px;color:#E6C26E;font-weight:600;margin-bottom:8px;letter-spacing:1px}
.union-case-title{font-size:18px;font-weight:700;margin-bottom:8px;line-height:1.4}
.union-case-desc{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.6;margin-bottom:12px}
.union-case-meta{display:flex;gap:20px;font-size:12px;color:rgba(255,255,255,0.4)}
.union-case-meta span{color:#4ade80;font-weight:600}

/* ===== 素材库 ===== */
.union-material-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:40px}
.union-material-card{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:14px;
  padding:24px;transition:all 0.3s;display:flex;flex-direction:column;
}
.union-material-card:hover{transform:translateY(-3px);border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-material-type{
  display:inline-block;padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:1px;
  margin-bottom:12px;align-self:flex-start;
}
.union-material-type.text{background:rgba(59,130,246,0.15);color:#60a5fa}
.union-material-type.video{background:rgba(230,194,110,0.15);color:#E6C26E}
.union-material-type.image{background:rgba(124,197,118,0.15);color:#4ade80}
.union-material-title{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.4}
.union-material-desc{font-size:13px;color:rgba(255,255,255,0.4);line-height:1.6;flex:1;margin-bottom:14px}
.union-material-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,0.4)}
.union-material-download{color:#E6C26E;font-weight:600}

/* ===== FAQ/规则 ===== */
.union-faq-list{max-width:800px;margin:40px auto 0}
.union-faq-item{
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);border-radius:12px;
  padding:22px 26px;margin-bottom:14px;transition:all 0.3s;
}
.union-faq-item:hover{border-color:rgba(230,194,110,0.4);background:rgba(255,255,255,0.06)}
.union-faq-q{font-size:17px;font-weight:700;color:#E6C26E;margin-bottom:8px}
.union-faq-a{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.8}

/* ===== 规则表格 ===== */
.union-rule-table{width:100%;border-collapse:collapse;margin-top:24px;font-size:14px}
.union-rule-table th{
  background:rgba(230,194,110,0.1);color:#E6C26E;font-weight:700;
  padding:14px 18px;text-align:left;border-bottom:2px solid rgba(230,194,110,0.2);
}
.union-rule-table td{padding:12px 18px;border-bottom:1px solid rgba(255,255,255,0.04);color:rgba(255,255,255,0.6)}
.union-rule-table tr:hover td{background:rgba(255,255,255,0.06)}

/* ===== 响应式 ===== */
@media(max-width:768px){
  .union-hero-h1{font-size:32px}
  .union-hero-sub{font-size:15px}
  .union-hero-stats{gap:20px}
  .union-stat-num{font-size:28px}
  .union-layer-grid{grid-template-columns:1fr}
  .union-benefit-grid{grid-template-columns:1fr 1fr}
  .union-flow{flex-direction:column;align-items:center}
  .union-flow-step:not(:last-child)::after{display:none}
  .union-flow-step{max-width:100%}
  .union-case-grid{grid-template-columns:1fr}
  .union-material-grid{grid-template-columns:1fr}
  .union-member-grid{grid-template-columns:1fr}
}